Material Constitutive Model in Machining 7050-T7451 by Orthogonal Machining Experiments

Xiu Li Fu; Hui Wang; Yi Wan; Xiao Qin Wang

doi:10.4028/www.scientific.net/AMR.97-101.713

Paper Titles

The Stereoscopic Morphology of Martensite in Ferrous Alloys
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Fatigue Crack Growth Behavior in Fusion Zone of 16MnR Steel Weldment
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The Study of the Relationships between Material Properties and Welding Residual Stresses
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Research on Initial Discontinuity State of an Advanced Aluminum Alloy Rolling Alclad Sheet
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Material Constitutive Model in Machining 7050-T7451 by Orthogonal Machining Experiments
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Effect of Electrical Current on Wear Rate of Nano-Al₂O_3p/Cu Composite
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Dynamic Properties of Asphalt Binders Containing Fiber Modifiers
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Design and Characterization of Ultrahigh Strength Dual-Phase Steel with Low Ratio of Yield Strength/Ultimate Tensile Strength
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Microstructural and Mechanical Aspects of High Nitrogen Steels at Cryogenic Temperature
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Material Constitutive Model in Machining 7050-T7451 by Orthogonal Machining Experiments

Abstract:

Material constitutive model for metal machining is very difficult to obtain and establish accurately by conventional tension and compression tests. The dynamic mechanical properties and material model during machining aluminum 7050-T7451 are studied by means of orthogonal machining experiments (including quick-stop experiment, cutting force and cutting temperature measurements). Compare with compression tests (SHPB), the established material model with large strain (0.8~1.9) and high strain rate (0.45×105~1.89×105) in this paper is more valid and reliability in simulation and analyzing machining process.